/Engine/Source/Runtime/GeometryCore/Public/Operations/EmbedSurfacePath.h
bool AddViaPlanarWalk ( int StartTri, int StartVID, FVector3d StartPt, int EndTri, int EndVertID, FVector3d EndPt, FVector3d WalkPlaneNormal, [TFunction](API\Runtime\Core\GenericPlatform\TFunction)< FVector3d(const [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) *, int)> VertexToPosnFn, bool bAllowBackwardsSearch, double AcceptEndPtOutsideDist, double PtOnPlaneThresholdSq, double BackwardsTolerance )